Development
styled-components
173.5K sites
Styled components is a CSS-in-JS styling framework that uses tagged template literals in JavaScript.
Used byLinear
Emotion
163.6K sitesOpen source
Emotion is a library designed for writing CSS styles with JavaScript.
Turbopack
148.1K sitesOpen source
Turbopack is an incremental bundler for JavaScript and TypeScript, written in Rust and integrated into the Next.js framework for optimized build performance.
Used byVercel
- Guide
Firebase
92.9K sitesFreemium · Pay as you go
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
JSS
37.5K sitesOpen source
JSS is an authoring tool for CSS which allows you to use JavaScript to describe styles in a declarative, conflict-free and reusable way.
Microsoft Visual Studio
2.4K sitesFreemium · $$ · Subscription
Microsoft Visual Studio is an integrated development environment from Microsoft.
Stitches
679 sitesOpen source
Stitches is a is a CSS-in-JS styling framework with near-zero runtime, SSR, and multi-variant support.

PHPDebugBar
566 sites
OutSystems
553 sitesSaaS$$$ · Subscription
OutSystems is a low-code platform which provides tools for companies to develop, deploy and manage omnichannel enterprise applications.
GitLab
532 sites
GitLab is a web-based DevOps lifecycle tool that provides a Git-repository manager providing wiki, issue-tracking and continuous integration and deployment pipeline features, using an open-source license.
EasyEngine
412 sites
EasyEngine is a command-line tool for the Nginx web servers to manage WordPress sites that are running on the LEMP Stack.
Atlassian Jira Issue Collector
367 sites
Atlassian Jira Issue Collector is a tool used to download a list of websites using with email addresses, phone numbers and LinkedIn profiles.
- Guide
Supabase
237 sitesSaaSOpen sourceFreemium · Pay as you go · Subscription
Supabase is an open-source platform that offers a Postgres database, Authentication, APIs, Edge Functions, Realtime subscriptions, Storage, and Vector embeddings for project development.
Storybook
144 sitesOpen source
Storybook is a frontend workshop for building UI components and pages in isolation.
Clockwork
80 sitesOpen source
Clockwork is a development tool for PHP available right in your browser.
Gitea
47 sitesSaaSOpen sourceFreemium · $ · Subscription
Gitea is an open-source forge software package for hosting software development version control using Git as well as other collaborative features like bug tracking, wikis and code review. It supports self-hosting but also provides a free public first-party instance hosted on DiDi's cloud.
git
37 sites
Jahia DX
35 sites
SlickStack
21 sitesSaaSQuote
SlickStack is a free LEMP stack automation script written in Bash designed to enhance and simplify WordPress provisioning, performance, and security.
Gerrit
18 sites
ClickOnce
16 sites
ClickOnce is a Microsoft .NET deployment technology that enables the creation of self-updating Windows-based applications that can be installed and run with minimal user interaction.
Phabricator
15 sites
Phabricator is a suite of web-based software development collaboration tools, including the Differential code review tool, the Diffusion repository browser, the Herald change monitoring tool, the Maniphest bug tracker and the Phriction wiki. Phabricator integrates with Git, Mercurial, and Subversion.
Atlassian Bitbucket
9 sites
Bitbucket is a web-based version control repository hosting service for source code and development projects that use either Mercurial or Git revision control systems.
gitweb
7 sites
Artifactory
3 sites
Betty Blocks
3 sitesSaaSQuote
Betty Blocks is a cloud-based application development solution featuring a no-code, drag-and-drop interface for developing business applications.
Gogs
3 sitesOpen source
Gogs is a self-hosted Git service written in Go.
Gitiles
2 sites
Replit
1 sitesFreemium · $ · Subscription
Replit is a platform for creating and sharing software.
SonarQubes
1 sites
SonarQube is an open-source platform for the continuous inspection of code quality to perform automatic reviews with static analysis of code to detect bugs, code smells, and security vulnerabilities on 20+ programming languages.

Acquia Cloud IDE
SaaS
Acquia Cloud IDE is a browser-based source code editor and a Drupal development stack running on the Acquia Cloud Platform.
Anima
SaaSFreemium · $ · Subscription
Anima is an AI-powered tool designed to assist users in converting their designs into functional code, creating interactive prototypes, and streamlining the automation of design systems.
API Spreadsheets
SaaSFreemium · $ · Subscription
API Spreadsheets is a developer tool for integrating spreadsheet features into applications, enabling data management, automation, and real-time updates.
Apiary
SaaSFreemium
Apiary is an API design stack that provides tools for designing, testing, and documenting APIs, built specifically to support developers throughout the API development process.
Appifiny
SaaSQuote
Appifiny is a platform that provides a streamlined solution for developing, customizing, and launching apps.
Appwrite
SaaSOpen source$ · Subscription · Freemium
Appwrite is an end-to-end backend server for web, mobile or native applications packaged as a set of Docker microservices.
AskHandle
SaaSFreemium · $ · Subscription · Quote
AskHandle is a platform that enables the creation of custom AI agents in minutes using user data and requirements, without requiring coding.
Atlassian Cloud
SaaS
Atlassian Cloud is the hosted platform behind Atlassian products such as Jira, Confluence and Bitbucket.
Atlassian FishEye
Canyon
Open source
Canyon is a tool that enables JavaScript coverage collection and real-time report generation through Babel configuration, addressing coverage-gathering challenges in end-to-end testing.
CheerPJ
Open source
CheerpJ is a WebAssembly-based Java Virtual Machine and OpenJDK distribution designed to run Java applications in modern browsers.
Clarifai
SaaSFreemium · $$ · Subscription · Quote
Clarifai is a unified platform that enables creation and management of AI workloads while optimizing compute costs across preferred environments.
Conduit
Open sourceFreemium
Conduit is a data integration tool designed to synchronize production systems through an extensible, event-first approach with minimal dependencies for integration into existing workflows.
Construct 3
$ · Subscription
Construct 3 is a browser-based game development platform that enables the creation of 2D games using a visual, drag-and-drop interface without requiring programming knowledge.
Developing Azerbaijan
SaaS
Developing Azerbaijan is a provider of services including website creation, optimization, technical support, and hosting.
Dimml
SaaSOpen source
Dimml is a data flow management software.
Famous.ai
SaaS
Famous.ai is a platform that transforms written concepts into functional mobile or web applications using artificial intelligence.
Feednami
SaaS
Feednami is a web service developed as a replacement for the discontinued Google Feed API, enabling applications to access and parse RSS and Atom feeds.
Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive (September 2026). Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.